Custom Field Context Schemes are collections of contexts of custom fields that can be used when a project is created.
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Hover over the Name field of an existing Custom Field Context Scheme and click the pencil icon () to edit the scheme name inline. Then, click Save () to save your changes or Revert () to discard your changes.
Click Edit () next to an existing Custom Field Context Scheme to add or remove custom fields and their corresponding contexts.
Once you've completed your editing, click Done.
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From the Custom Field Context Schemes tab, click Delete () next to an existing Custom Field Context Scheme to delete that scheme. You are prompted for confirmation before you delete a scheme.